My go-to. There's no store bought spray I've ever used that adds up to Remove Cat Urine and Dog Urine from carpet quite like this one. Mix 1 part water, and 3 parts vinegar. Spray. Let it soak for 30 minutes. Mix 1 cup of hydrogen peroxide, 2 teaspoons of baking soda, and a squirt of dish-washing liquid. Shake it well. Spray, and let it soak/dry. Adjustments can be made for the measurements, to your liking.

How to get rid of ANY urine smell from carpets & cushions to mattresses. This also removed some stubborn sweat stains from a white mattress that bleach & others $pecialty cleaners couldn't. It now looks like new.

What to Spray on Carpet to Keep Dogs From Peeing

Lemon juice also work great as an dog urine odor remover. Mix lemon juice -- commercial or freshly squeezed -- with water and sprinkle it on your carpets. This smell is pleasant for people, but will keep your dog at bay. The citric acid is also effective if you want to clean and remove urine odor from carpets.